# Change Log
---
- [Optimize: remove discovery module useless code ](https://github.com/Tencent/spring-cloud-tencent/pull/597 )
- [Bugfix: InstancePreRegisteredEvent and InstanceRegisteredEvent modify Registration info ](https://github.com/Tencent/spring-cloud-tencent/pull/583 )
- [Fix issue 579:Report the labels in request when report the result of invocation by RestTemplate ](https://github.com/Tencent/spring-cloud-tencent/pull/600 )
- [Optimize: optimize configuration conditional & optimize config data tips" ](https://github.com/Tencent/spring-cloud-tencent/pull/605 )
- [Optimize: Maybe remove Chinese characters ](https://github.com/Tencent/spring-cloud-tencent/pull/609 )
- [Optimize: InstanceId of PolarisRegistration and PolarisServiceRegistry ](https://github.com/Tencent/spring-cloud-tencent/pull/612 )
- [Bugfix: fix feign report call result error when using feign direct call ](https://github.com/Tencent/spring-cloud-tencent/pull/623 )
- [optimize:optimize PolarisRouterContext and constants. ](https://github.com/Tencent/spring-cloud-tencent/pull/628 )
- [support spring-retry router ](https://github.com/Tencent/spring-cloud-tencent/pull/631 )
- [feat:Transfer http headers specified by environment variables ](https://github.com/Tencent/spring-cloud-tencent/pull/638 )
- [feat:support read config file from local file system. ](https://github.com/Tencent/spring-cloud-tencent/pull/649 )
- [feat: publish spring event named ConfigChangeSpringEvent when the configuration is changed ](https://github.com/Tencent/spring-cloud-tencent/pull/651 )
- [Feature: support new expression ](https://github.com/Tencent/spring-cloud-tencent/pull/661 )
- [Optimize:optimize TransHeadersTransfer. ](https://github.com/Tencent/spring-cloud-tencent/pull/662 )
- [fix:fix transfer http headers not working bug. ](https://github.com/Tencent/spring-cloud-tencent/pull/663 )
- [Optimize:optimize spring value processor ](https://github.com/Tencent/spring-cloud-tencent/pull/669 )
